In the production process, the service life of cooking oil for fried, fried and fried foods shall not exceed 3 days at the longest; If the food is continuously fried, the cumulative service life shall not exceed 12 hours.
4. It is not allowed to extend the service life of edible oil by adding new oil.
5. The oil filtered by oil drainage shall not be recycled as frying oil.
6. Don't use "old oil" as frying oil.